diff --git a/doc/using/overlays.xml b/doc/using/overlays.xml
index 7f7c8bc42b55..7f6ee040c7c7 100644
--- a/doc/using/overlays.xml
+++ b/doc/using/overlays.xml
@@ -178,7 +178,7 @@ self: super:
          <para>
            <link
            xlink:href="https://software.intel.com/en-us/mkl">Intel
-           MKL</link> (only works on x86 architecture, unfree)
+           MKL</link> (only works on the x86_64 architecture, unfree)
          </para>
          <para>
            The Nixpkgs attribute is <literal>mkl</literal>.
@@ -201,16 +201,17 @@ self: super:
      <para>
        Introduced in <link
        xlink:href="https://github.com/NixOS/nixpkgs/pull/83888">PR
-       #83888</link>, we are able to override the ‘blas’ and ‘lapack’
-       packages to use different implementations, through the
-       ‘blasProvider’ and ‘lapackProvider’ argument. This can be used
+       #83888</link>, we are able to override the <literal>blas</literal>
+       and <literal>lapack</literal> packages to use different implementations,
+       through the <literal>blasProvider</literal> and
+       <literal>lapackProvider</literal> argument. This can be used
        to select a different provider. BLAS providers will have
        symlinks in <literal>$out/lib/libblas.so.3</literal> and
        <literal>$out/lib/libcblas.so.3</literal> to their respective
        BLAS libraries. Likewise, LAPACK providers will have symlinks
        in <literal>$out/lib/liblapack.so.3</literal> and
        <literal>$out/lib/liblapacke.so.3</literal> to their respective
-       LAPCK libraries. For example, Intel MKL is both a BLAS and
+       LAPACK libraries. For example, Intel MKL is both a BLAS and
        LAPACK provider. An overlay can be created to use Intel MKL
        that looks like:
      </para>
@@ -229,8 +230,9 @@ self: super:
      <para>
        This overlay uses Intel’s MKL library for both BLAS and LAPACK
        interfaces. Note that the same can be accomplished at runtime
-       using <literal>LD_LIBRARY_PATH</literal> of libblas.so.3 and
-       liblapack.so.3. For instance:
+       using <literal>LD_LIBRARY_PATH</literal> of
+       <literal>libblas.so.3</literal> and
+       <literal>liblapack.so.3</literal>. For instance:
      </para>
      <programlisting>
 $ LD_LIBRARY_PATH=$(nix-build -A mkl)/lib:$LD_LIBRARY_PATH nix-shell -p octave --run octave